<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title>年长者便捷上网中心</title>
		<style>
			* {
				margin: 0;
				padding: 0;
			}

			body {
				/* height: 200vh; */
			}

			#logo {
				color: red;
				height: 90px;
				line-height: 90px;
				font-size: 60px;
				font-weight: 800;
				letter-spacing: 0.3em;
				padding: 10px 8%;
				background-color: greenyellow;
			}


			#nav {
				background-color: rgba(0, 0, 0, 0.9);
			}

			#nav ul {
				display: flex;
				justify-content: center;
				list-style-type: none;
			}

			#nav ul li {
				width: 250px;
				height: 80px;
				line-height: 80px;
				text-align: center;
				border: 2px solid #f00;
				border-radius: 25%;
			}

			#nav ul li:hover {
				background-color: pink;

				box-shadow: #888 2px 2px 3px 3px;

			}

			#nav ul li:hover a {
				color: #00f;

			}

			#nav ul li a {
				font-size: 50px;
				color: #fff;
				text-decoration: none;
			}



			img {
				width: 100%;
			}
		</style>
	</head>
	<body>
		<div id="header">
			<div id="logo">
				年长者便捷上网中心
			</div>
			<div id="nav">
				<ul>
					<li><a href="#">首页</a></li>
					<li><a href="#">看电视</a></li>
					<li><a href="#">网上购物</a></li>
					<li><a href="#">聊天</a></li>
					<li><a href="#">书籍阅读</a></li>
				</ul>
			</div>
		</div>
		<img src="./img/old.jpg" alt="" />
	</body>
</html>